/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.jetty;

import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.util.StopWatch;
import org.apache.camel.util.TimeUtils;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class HttpProxyRouteTest extends BaseJettyTest {

    private static final Logger LOG = LoggerFactory.getLogger(HttpProxyRouteTest.class);

    private final int size = 10;

    @Test
    public void testHttpProxy() {
        LOG.info("Sending {} messages to a http endpoint which is proxied/bridged", size);

        StopWatch watch = new StopWatch();
        for (int i = 0; i < size; i++) {
            String out = template.requestBody("http://localhost:{{port}}?foo=" + i, null, String.class);
            assertEquals("Bye " + i, out);
        }

        LOG.info("Time taken: {}", TimeUtils.printDuration(watch.taken(), true));
    }

    @Test
    public void testHttpProxyWithDifferentPath() {
        String out = template.requestBody("http://localhost:{{port}}/proxy", null, String.class);
        assertEquals("/otherEndpoint", out);

        out = template.requestBody("http://localhost:{{port}}/proxy/path", null, String.class);
        assertEquals("/otherEndpoint/path", out);
    }

    @Test
    public void testHttpProxyHostHeader() {
        String out = template.requestBody("http://localhost:{{port}}/proxyServer", null, String.class);
        assertEquals("localhost:" + getPort2(), out, "Get a wrong host header");
    }

    @Test
    public void testHttpProxyFormHeader() {
        String out = template.requestBodyAndHeader("http://localhost:{{port}}/form", "username=abc&pass=password",
                Exchange.CONTENT_TYPE, "application/x-www-form-urlencoded",
                String.class);
        assertEquals("username=abc&pass=password", out, "Get a wrong response message");
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                from("jetty://http://localhost:{{port}}")
                        .to("http://localhost:{{port}}/bye?throwExceptionOnFailure=false&bridgeEndpoint=true");

                from("jetty://http://localhost:{{port}}/proxy?matchOnUriPrefix=true")
                        .to("http://localhost:{{port}}/otherEndpoint?throwExceptionOnFailure=false&bridgeEndpoint=true");

                from("jetty://http://localhost:{{port}}/bye").transform(header("foo").prepend("Bye "));

                from("jetty://http://localhost:{{port}}/otherEndpoint?matchOnUriPrefix=true")
                        .transform(header(Exchange.HTTP_URI));

                from("jetty://http://localhost:{{port}}/proxyServer").to("http://localhost:{{port2}}/host?bridgeEndpoint=true");

                from("jetty://http://localhost:{{port2}}/host").transform(header("host"));

                // check the from request
                from("jetty://http://localhost:{{port}}/form?bridgeEndpoint=true").process(new Processor() {
                    @Override
                    public void process(Exchange exchange) {
                        // just take out the message body and send it back
                        Message in = exchange.getIn();
                        String request = in.getBody(String.class);
                        exchange.getMessage().setBody(request);
                    }

                });
            }
        };
    }

}
